APA (7e ed.) Bronvermelding
Whitfield, D., & Nellis, M. (2001). Introduction to the probation service (2nd ed.). Waterside Press.
Chicago (17e ed.) Bronvermelding
Whitfield, Dick, en Mike Nellis. Introduction to the Probation Service. 2nd ed. Winchester: Waterside Press, 2001.
MLA (9e ed.) Bronvermelding
Whitfield, Dick, en Mike Nellis. Introduction to the Probation Service. 2nd ed. Waterside Press, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.